pkev: first working version

This is a 'grug' implementation.
Use the following defines to control size:
PK_EV_MAX_COUNT = 16
PK_EV_MAX_CB_COUNT = 8

1 files changed, 37 insertions, 17 deletions

diff --git a/pkev.h b/pkev.h
index e3dc772..5f183b6 100644
--- a/pkev.h
+++ b/pkev.h
@@ -9,16 +9,17 @@ typedef uint64_t pk_ev_id_T;
 struct pk_ev_mgr *pk_ev_create();
 void pk_ev_destroy(struct pk_ev_mgr *evmgr);
 
-typedef void (*pk_ev_cb)();
+typedef void (pk_ev_cb)();
 
-void pk_ev_register_ev(struct pk_ev_mgr *evmgr, pk_ev_id_T evid);
-void pk_ev_register_cb(struct pk_ev_mgr *evmgr, pk_ev_id_T evid, pk_ev_cb *cb);
-void pk_ev_emit(struct pk_ev_mgr *evmgr, pk_ev_id_T evid, ...);
+bool pk_ev_register_ev(struct pk_ev_mgr *evmgr, pk_ev_id_T evid);
+bool pk_ev_register_cb(struct pk_ev_mgr *evmgr, pk_ev_id_T evid, pk_ev_cb *cb);
+void pk_ev_emit(struct pk_ev_mgr *evmgr, pk_ev_id_T evid);
 
 #endif /* PK_EV_H */
 
 #ifdef PK_IMPL_EV
 
+#include <stdio.h>
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
@@ -27,14 +28,18 @@ void pk_ev_emit(struct pk_ev_mgr *evmgr, pk_ev_id_T evid, ...);
 # define PK_EV_MAX_COUNT 16
 #endif
 
+#ifndef PK_EV_MAX_CB_COUNT
+# define PK_EV_MAX_CB_COUNT 8
+#endif
+
 struct pk_ev {
 	pk_ev_id_T evid;
-	pk_ev_cb **cb;
+	pk_ev_cb *cb[PK_EV_MAX_CB_COUNT];
 	uint8_t n_cb;
 };
 
 struct pk_ev_mgr {
-	struct pk_ev *ev;
+	struct pk_ev ev[PK_EV_MAX_COUNT];
 	uint8_t n_ev;
 };
 
@@ -44,36 +49,51 @@ pk_ev_create()
 	struct pk_ev_mgr *mgr = (struct pk_ev_mgr*)malloc(sizeof(struct pk_ev_mgr));
 	if (mgr == NULL) return NULL;
 	memset(mgr, 0, sizeof(struct pk_ev_mgr));
-	mgr->ev = (struct pk_ev*)malloc(sizeof(struct pk_ev) * PK_EV_MAX_COUNT);
-	if (mgr->ev == NULL) return NULL;
-	memset(mgr->ev, 0, sizeof(struct pk_ev) * PK_EV_MAX_COUNT);
-	mgr->n_ev = 0;
 	return mgr;
 }
 
 inline void
 pk_ev_destroy(struct pk_ev_mgr *evmgr)
 {
-	memset(evmgr->ev, 0, sizeof(struct pk_ev) * PK_EV_MAX_COUNT);
-	free(evmgr->ev);
+	assert(evmgr != NULL);
 	memset(evmgr, 0, sizeof(struct pk_ev_mgr));
 	free(evmgr);
 }
 
-inline void
+inline bool
 pk_ev_register_ev(struct pk_ev_mgr *evmgr, pk_ev_id_T evid)
 {
-	// TODO
+	assert(evmgr != NULL);
+	int i;
+	for (i = 0; i < evmgr->n_ev; ++i) {
+		if (evmgr->ev[i].evid == evid) {
+			return false;
+		}
+	}
+	evmgr->ev[evmgr->n_ev].evid = evid;
+	evmgr->n_ev++;
+	return true;
 }
 
-inline void
+inline bool
 pk_ev_register_cb(struct pk_ev_mgr *evmgr, pk_ev_id_T evid, pk_ev_cb *cb)
 {
-	// TODO
+	assert(evmgr != NULL);
+	struct pk_ev *ev = {0};
+	int i;
+	for (i = 0; i < evmgr->n_ev; ++i) {
+		if (evmgr->ev[i].evid == evid) {
+			ev = &evmgr->ev[i];
+		}
+	}
+	if (ev == NULL) return false;
+	ev->cb[ev->n_cb] = cb;
+	ev->n_cb++;
+	return true;
 }
 
 inline void
-pk_ev_emit(struct pk_ev_mgr *evmgr, pk_ev_id_T evid, ...)
+pk_ev_emit(struct pk_ev_mgr *evmgr, pk_ev_id_T evid)
 {
 	assert(evmgr != NULL);
 	uint8_t i;